Keith Hernandez talks why he started his twitter account.

From the NY Post
Q: What was your motivation to start your new Twitter account?

A: I had basically started it up for my autobiography, “I am Keith Hernandez” on May 15, and it just took on a life of its own. I never dreamed it would reach these numbers and I am kind of getting a little savvy about it. It’s enabled me to promote the Mets, SNY and various other things. I am having fun with it. It’s not all business. People love my cat, Hadji, so they keep calling for more video and more tweets on my cat. But it’s not consuming me. It’s in the morning when I get up and I am having my coffee, that’s when I do it. I do go and answer a select few messages from fans. I am going to keep doing it (after the book comes out). I’ve never really marketed myself before and people have always been pushing me to do something and I’ve resisted. It’s a whole new experience for me and I am actually having fun.
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